3420415 has 8 divisors (see below), whose sum is σ = 4161168. Its totient is φ = 2698560.

The previous prime is 3420409. The next prime is 3420421. The reversal of 3420415 is 5140243.

It is an interprime number because it is at equal distance from previous prime (3420409) and next prime (3420421).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3420415 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3420392 and 3420401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4321 + ... + 5050.

It is an arithmetic number, because the mean of its divisors is an integer number (520146).

Almost surely, 2^3420415 is an apocalyptic number.

3420415 is a deficient number, since it is larger than the sum of its proper divisors (740753).

3420415 is an equidigital number, since it uses as much as digits as its factorization.

3420415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9449.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 3420415 is about 1849.4364006367. The cubic root of 3420415 is about 150.6698193100.

Adding to 3420415 its reverse (5140243), we get a palindrome (8560658).

It can be divided in two parts, 34 and 20415, that added together give a square (20449 = 143²).

The spelling of 3420415 in words is "three million, four hundred twenty thousand, four hundred fifteen".